Company E, 8th Vermont Infantry. Enlisted December 1, 1861, mustered in February 18, 1862. Prisoner of War, Vicksburg, Virginia September 4 1862 - November 13, 1862. Discharged April 17, 1863.
Asa's name appeared on the list of Vermont soldiers missing in action printed in the Burlington (Vermont) Free Press on October 31, 1862. The memorial for Asa in the Village Cemetery is a cenotaph. Asa in buried at Chalmette National Cemetery in Louisiana.